What role do NADH and FADH2 play in oxidative phosphorylation? [Solved] (2022)

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What is the role of NADH and FADH2 in oxidative phosphorylation quizlet?

The role of NADH and FADH2 is to donate electrons to the electron transport chain. They both donate electrons by providing an hydrogen molecule to the oxygen molecule to create water during the electron transport chain.... read more ›

(Video) Electron Transport Chain (Oxidative Phosphorylation)
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What does NADH do in oxidative phosphorylation?

Oxidative phosphorylation. Complex I, also known as NADH-Q reductase, involves the first process through which the electrons from NADH are transferred. NADH binds to a flavoprotein, flavin mononucleotide (FMN), transferring its two high potential electrons and losing its hydrogen molecules.... view details ›

(Video) Electron Transport Chain NADH and FADH2
(Dr Ian Lahart WLV Exercise Science)

What is the role of NADH and FADH2?

NADH: High energy electron carrier used to transport electrons generated in Glycolysis and Krebs Cycle to the Electron Transport Chain. FADH2: High energy electron carrier used to transport electrons generated in Glycolysis and Krebs Cycle to the Electron Transport Chain.... continue reading ›

(Video) Electron Transporters NADH and FADH2
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What is different about NADH and FADH in regards to oxidative phosphorylation?

Both NADH and FADH2 are produced in the Krebs cycle. NADH produces 3 ATP by oxidative phosphorylation, whereas FADH2 produces 2 ATP molecules. NADH transfers electrons to complex I in the ETS, whereas FADH2 transfers electrons to complex II.... continue reading ›

(Video) Why are NADH and FADH2 worth different amounts of ATP?
(JOSEPH EBRIANI)

Why does the electron transport chain need NADH and FADH2 quizlet?

The electron carriers NADH and FADH2 that were produced during the Krebs cycle interact with proteins embedded in the cristae. This interaction causes the proteins to pump hydrogen ions from one side of the membrane to the other.... see more ›

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How are NADH and FADH2 oxidized in electron transport chain?

NADH and FADH2 made in the citric acid cycle (in the mitochondrial matrix) deposit their electrons into the electron transport chain at complexes I and II, respectively. This step regenerates NAD+ and FAD (the oxidized carriers) for use in the citric acid cycle.... read more ›

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What is the process that uses NADH and FADH2 to produce ATP?

So, the correct option is ' Krebs cycle'.... see more ›

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Why do NADH and FADH2 produce different amounts of ATP?

FADH2 produces less ATP then NADH because the electrons for FADH2 are dropped off at the second protein of the electron transport chain. FADH2 produces less ATP then NADH because NADH is reduced more.... view details ›

(Video) Cellular Respiration 5 - Oxidative Phosphorylation
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What occurs during oxidative phosphorylation?

During oxidative phosphorylation, electrons derived from NADH and FADH2 combine with O2, and the energy released from these oxidation/ reduction reactions is used to drive the synthesis of ATP from ADP.... see details ›

(Video) NADH FADH2 and ATP generation explained by Dr. Abdul Samad Aziz
(Samad's Easy Biochemistry)

Why are NADH and FADH2 necessary in the electron transport chain?

NADH and FADH2 carry high-energy electrons to the electron transport chain in cellular respiration. NADPH carries high-energy electrons to the electron transport chain in photosynthesis.... continue reading ›

(Video) Electron carrier molecules | Biomolecules | MCAT | Khan Academy
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How do FADH2 and NADH function similarly?

Similarities Between NADH and FADH

Both contain an adenine nucleotide. They carry hydrogen and electrons. Also , both of them can take up two electrons. Both carry electrons for the production of ATP during oxidative phosphorylation.... view details ›

(Video) Function of NADH and FADH2
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What role do NADH and FADH2 play in cellular respiration Weegy?

What role do NADH and FADH play in aerobic cellular respiration? NADH and FADH2 convert energy consumed as food into chemical energy stored as ATP by donating electrons to the electron transport chain.... see details ›

What role do NADH and FADH2 play in oxidative phosphorylation? [Solved] (2022)

How many NADH and FADH2 are produced in oxidative phosphorylation?

Each turn of the cycle forms three high-energy NADH molecules and one high-energy FADH2 molecule. These high-energy carriers will connect with the last portion of aerobic respiration to produce ATP molecules.... see details ›

Are NADH and FADH2 reduced or oxidized?

After releasing their electrons, NADH and FADH2 become oxidized and transform back into NAD and FAD.... continue reading ›

How many ATP are produced from NADH and FADH2?

Assertion (A): Oxidation of one molecule of FADH2 produces two molecules of ATP, while that of one molecule of NADH gives rise to three molecules of ATP. Reason (R): The number of ATP molecules synthesised depends on the nature of the electron donor.... see details ›

Why does NADH lead to more ATP than FADH2 quizlet?

FADH2 produces fewer ATP molecules than NADH when it passes its electrons down the electron transport chain because FADH2 only activates 2 proton pumps, while NADH activates 3 proton pumps.... read more ›

What happens to the electrons carried by NADH and FADH2 in the citric acid cycle during cellular respiration quizlet?

What happens to the NADH and FADH2 molecules that are produced during the Krebs cycle? The NADH and FADH2 will be used in the electron transport chain to generate large amounts of ATP. The high-energy electrons from NADH and FADH2 are passed along the electron transport chain.... see details ›

Why is the electron transport chain also called oxidative phosphorylation quizlet?

The entire process is called oxidative phosphorylation, since ADP is phosphorylated to ATP using the energy of hydrogen oxidation in many steps.... see details ›

How many NADH and FADH2 are used in electron transport chain?

The Electron Transport Chain

The ten NADH that enter the electron transport originate from each of the earlier processes of respiration: two from glycolysis, two from the transformation of pyruvate into acetyl-CoA, and six from the citric acid cycle. The two FADH2 originate in the citric acid cycle.... see more ›

What process are NADH FADH2 oxidized?

NADH and FADH2 are oxidized during the electron transport chain. NADH and FADH2 are electron carriers. They are reduced as glucose is oxidized during glycolysis and the citric acid cycle. These carriers bring the electrons to the electron transport chain at the mitochondrial inner membrane.... read more ›

How are NADH and FADH2 generated in the citric acid cycle?

Citrate then undergoes four more reactions to form succinate, along with producing two molecules of carbon dioxide, two molecules of NADH, and one ATP. Succinate goes through three more reactions before finally being converted back to oxaloacetate. These reactions also produce one FADH2 molecule and one NADH.... read more ›

What is necessary for oxidative phosphorylation to occur?

Its important to note that oxygen must be present for oxidative phosphorylation to occur. Water is formed as oxygen receives the electrons from protein complex 4, and combines with protons on the inside of the cell.... read more ›

How is ATP produced in oxidative phosphorylation?

Oxidative phosphorylation produces 24–28 ATP molecules from the Kreb's cycle from one molecule of glucose converted into pyruvate.... see more ›

What is the end product of oxidative phosphorylation?

-The transfer of an electron to molecular oxygen combines with H+ to form water is marked as an end product in the oxidative phosphorylation pathway. So, the correct answer is, 'ATP+H2O.... read more ›

Which of the following statements best explains why NADH produces more ATP per molecule than FADH2?

So, the correct answer is 'Fewer protons are pumped across the inner mitochondrial membrane when FADH2 is the electron donor than when NADH is the electron donor'.... view details ›

Why is it called oxidative phosphorylation?

Potential energy

In the mitochondrion, what the proton gradient does is facilitate the production of ATP from ADP and Pi. This process is known as oxidative phosphorylation, because the phosphorylation of ADP to ATP is dependent on the oxidative reactions occurring in the mitochondria.... continue reading ›

Why does a molecule of FADH2 produce fewer molecules of ATP than NADH in the mitochondria?

Note: Because electrons passing through complex II bypass complex I, FADH2 yields one fewer ATP molecule than NADH, which feeds electrons through complex I.... continue reading ›

What happens in oxidative phosphorylation quizlet?

In Oxicative phosphorylation the electron transfer potential of NADH/FADH₂ is converted to phosphoryl transfer potential of ATP.... continue reading ›

What happens during oxidative phosphorylation quizlet?

A process occurring in the mitochondria that results in the formation of ATP from the flow of electrons across the inner membrane to bind with oxygen.... read more ›

Is FADH to FADH2 oxidation or reduction?

Summary. Flavin adenine dinucleotide (FAD) is an important redox cofactor involved in many reactions in metabolism. The fully oxidized form, FAD, is converted to the reduced form, FADH2 by receiving two electrons and two protons.... see details ›

What is the role of FAD and FADH in cellular respiration?

An important mechanism in cellular respiration is the transfer of energy to the molecule flavin adenine dinucleotide (FAD) to convert it to FADH2 This is a process of reduction which stores the energy in high electron states in the FADH2.... view details ›

What is the main function of the electron transport chain and oxidative phosphorylation processes?

The electron transport chain is a series of four protein complexes that couple redox reactions, creating an electrochemical gradient that leads to the creation of ATP in a complete system named oxidative phosphorylation. It occurs in mitochondria in both cellular respiration and photosynthesis.... see more ›

Where do NADH and FADH2 drop off electrons?

It takes place in the folds of the inner membrane of the mitochondria. These folds are called cristae. In this step of cellular respiration, electron carriers NADH and FADH2 drop off the electrons they've carried from the citric acid cycle. This drop-off allows a large number of ATP molecules to form.... view details ›

Which part of oxidative respiration produces co2 ATP NADH and FADH2 molecules?

Citric acid cycle. The acetyl CoA combines with a four-carbon molecule and goes through a cycle of reactions, ultimately regenerating the four-carbon starting molecule. ATP (or, in some cases, GTP), NADH, and FADH_2 are made, and carbon dioxide is released. These reactions take place in the mitochondrial matrix.... see more ›

Where do most NADH and FADH2 end up during aerobic respiration?

NADH and FADH2 give their electrons to proteins in the electron transport chain, which ultimately pump hydrogen ions into the intermembrane space. This chemical gradient is used to create ATP using ATP synthase.... continue reading ›

What are the reactants and products of oxidative phosphorylation quizlet?

What are the reactants and products of the electron transport chain and oxidative phosphorylation? The reactants are NADH, FADH2, O2 and ADP. The products are NAD+, FAD, ATP and H20.... view details ›

What are the end products of oxidative phosphorylation quizlet?

What is the proportion of ATP produced by oxidative phosphorylation? Explanation: The end products of Krebs cycle are CO2, NADH, FADH2, ATP and water. The reactants of oxidative phosphorylation are NADH, FADH2, O2, ADP and P.... continue reading ›

How many FAD are reduced in oxidative phosphorylation?

For every one glucose molecule, aerobic respiration can produce: 10 reduced NAD. Therefore 10 x 2.6 ATP are produced = 26 ATP. 2 reduced FAD.... see details ›

How many protons are transported from the matrix to the intermembrane space by complex I quizlet?

- For each NADH that donates its electron to complex I, a total of 10 protons are pumped out into the intermembrane space. This means that for each mole of O2 consumed, 3 ATP are generated per NADH.... continue reading ›

What are the reactants for oxidative phosphorylation?

GlycolysisOxidative Phosphorylation
ReactantsGlucose 2 ATP 2 NAD+8 NADH 4 FADH2 6 O2
Products2 pyruvate 4 ATP 2 NADH8 NAD+ 4 FAD+ 32 ATP 6 H2O
ATP required2None
ATP produced432
2 more rows

Is NADH a reactant or product?

Glucose is the reactant; while ATP and NADH are the products of the Glycolysis reaction.... read more ›

Where does oxidative phosphorylation take place?

Most of the usable energy obtained from the breakdown of carbohydrates or fats is derived by oxidative phosphorylation, which takes place within mitochondria.... read more ›

What occurs during oxidative phosphorylation quizlet?

A process occurring in the mitochondria that results in the formation of ATP from the flow of electrons across the inner membrane to bind with oxygen.... view details ›

What molecule is phosphorylated during oxidative phosphorylation?

During oxidative phosphorylation, what molecule is being phosphorylated? During oxidative phosphorylation, ADP molecules are being phosphorylated to form ATP molecules.... continue reading ›

What is the final electron acceptor for oxidative phosphorylation?

Given its greater availability in the atmosphere, elemental oxygen is used as the final electron acceptor in oxidative phosphorylation.... view details ›

Why is more ATP produced from NADH than FADH2?

FADH2 produces less ATP then NADH because the electrons for FADH2 are dropped off at the second protein of the electron transport chain. FADH2 produces less ATP then NADH because NADH has more energetic electrons.... view details ›

How many NADH are produced in oxidative phosphorylation?

Oxidative phosphorylation starts with the arrival of 3 NADH and 1 FADH 2​start text, end text, start subscript, 2, end subscript from the citric acid cycle, which shuttle high energy molecules to the electron transport chain.... see more ›

Is mitochondria acidic or basic?

mitochondria showed an alkaline pH (pHm=7.7) as compared to the cytosol (pHi=7.4) (Figure 7).... view details ›

In which protein complex in the inner mitochondrial membrane is ATP synthesized?

The mitochondrial F1-Fo ATP synthase is the most conspicuous protein complex in the cristae. The ATP synthase is an ancient nanomachine that uses the electrochemical proton gradient across the inner mitochondrial membrane to produce ATP by rotatory catalysis [34].... see details ›

How many protons are pumped by the transfer of electrons from FADH2 to ubiquinone?

The process occurs, as shown in Figure 5.20 and Figure 5.21, with transfer of electrons from succinate to FAD to form FADH2 and fumarate. FADH2, in turn, donates electrons to a relay system of iron-sulfur groups and they ultimately reduce ubiquinone (CoQ) along with two protons from the matrix to ubiquinol.... continue reading ›

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